26399048 has 32 divisors (see below), whose sum is σ = 55150200. Its totient is φ = 11762688.

The previous prime is 26399047. The next prime is 26399057. The reversal of 26399048 is 84099362.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23020804 + 3378244 = 4798^2 + 1838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 26398996 and 26399014.

It is not an unprimeable number, because it can be changed into a prime (26399047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1361 + ... + 7392.

Almost surely, 2^26399048 is an apocalyptic number.

It is an amenable number.

26399048 is an abundant number, since it is smaller than the sum of its proper divisors (28751152).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26399048 is a wasteful number, since it uses less digits than its factorization.

26399048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8801 (or 8797 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 26399048 is about 5138.0003892565. Note that the first 3 decimals coincide. The cubic root of 26399048 is about 297.7575313990.

The spelling of 26399048 in words is "twenty-six million, three hundred ninety-nine thousand, forty-eight".